CN210156134U

CN210156134U - Photoelectric composite towing cable

Info

Publication number: CN210156134U
Application number: CN201921167156.3U
Authority: CN
Inventors: 段新建; 张益鑫; 陈亚东; 周楠楠; 陈强; 刘志利
Original assignee: Shanghai Qifan Cable Ltd By Share Ltd
Current assignee: Shanghai Qifan Cable Ltd By Share Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-03-17
Anticipated expiration: 2029-07-23

Abstract

The utility model provides a photoelectric composite towline, it includes the towline body, and the towline body is including setting up in the cable core of towline body central authorities, and it includes: the optical unit comprises an optical unit and a conductor, wherein a fluoroplastic insulating layer and a sub-shielding structure are arranged outside the conductor, the sub-shielding structure is a copper-plastic composite belt wrapped on the fluoroplastic insulating layer, a cable core is provided with a current-leading wire for ensuring the communication of the copper-plastic composite belt, a main shielding structure is wrapped outside the cable core, an aramid woven layer is arranged outside the main shielding structure, and a polyurethane protective layer is arranged outside the aramid woven layer; the aramid fiber sparse winding layer is arranged outside the cable core total shielding structure; the tightly-covered layer is arranged outside the aramid fiber sparse-wound layer; a braid layer disposed outside the tight-wrapping layer; and the outer protective layer is arranged outside the woven layer. The cable inner core outside adopts four layers of stranded aramid fibers to dredge around to adopt the aramid yarn to weave the fastening and strengthen, make the whole mechanical stress that can bear of cable, the outermost polyurethane material that adopts high strength, high abrasion of cable guarantees cable performance.

Description

Photoelectric composite towing cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a photoelectric composite towrope.

Background

The 21 st century is the marine era. With the continuous deep development of ocean resources, the use of various ocean exploration equipment is continuously increased, the ocean exploration range is continuously expanded, various exploration equipment is continuously developed and used, and some underwater detection equipment has large self weight due to the limitations of science and technology and performance, so that more requirements are provided for cables for supplying power, receiving and releasing and transmitting signals for underwater operation.

Because the common land cable has poor water resistance, large specific gravity and low mechanical strength, the cable can not meet the requirements of resource detection, equipment retraction and release and high-frequency signal transmission of the undersea load detection equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photoelectric composite towline, its resource detection, equipment that can satisfy the undersea heavy burden detection equipment receive and release, high frequency signal transmission demand.

The utility model provides a pair of photoelectric composite towing cable, it includes the towing cable body, and the towing cable body includes: set up in cable core of towline body central authorities, it includes: the optical unit comprises an optical unit and a conductor, wherein a fluoroplastic insulating layer and a sub-shielding structure are arranged outside the conductor, the sub-shielding structure is a copper-plastic composite belt wrapped on the fluoroplastic insulating layer, a cable core is provided with a current-leading wire for ensuring the communication of the copper-plastic composite belt, a main shielding structure is wrapped outside the cable core, an aramid woven layer is arranged outside the main shielding structure, and a polyurethane protective layer is arranged outside the aramid woven layer; the aramid fiber sparse winding layer is arranged outside the cable core total shielding structure; the tightly-covered layer is arranged outside the aramid fiber sparse-wound layer; a braid layer disposed outside the tight-wrapping layer; and the outer protective layer is arranged outside the woven layer.

Compared with the prior art, the utility model provides a photoelectric composite towline cable water resistance is good, and cable proportion is less, and cable mechanical strength is higher, can satisfy the resource detection of undersea heavy burden detection equipment, equipment receive and release, high frequency signal transmission demand. Wherein, the inner core of cable can bear certain degree pulling force, and in addition, the cable inner core outside adopts four layers of stranded aramid fiber to dredge around to adopt the aramid fiber yarn to weave the fastening and strengthen, make the cable wholly can bear considerable mechanical stress, the outermost polyurethane material that adopts high strength, high wear resistance of cable guarantees cable performance.

The cable conductor is insulated by adopting fluoroplastic, and has good insulating property, high-temperature use performance and welding performance.

The cable shielding structure is a copper-plastic composite tape wrapping package, the drainage wires ensure the communication of copper tapes, each phase unit of the cable can be well separated, and the transmission performance of the cable is ensured.

The total shielding is a copper-plastic composite tape shielding wrapping, so that the inside of the cable is prevented from being interfered by external electromagnetic interference.

The aramid woven layer is formed by weaving high-strength aramid yarns, the weaving density is high, and the cable can bear certain mechanical stress.

The fluoroplastic is insulating, and the fluoroplastic is high-temperature resistant and has good electrical performance, so that the cable can have a smaller insulating outer diameter, can be used at a relatively high temperature and has good welding and wiring capacity.

Wherein, the polyurethane sheath is the high strength polyurethane sheath of extrusion production, and the structure is inseparable.

Further, the tightly-wrapping layer is a thin nonwoven fabric.

Furthermore, the total shielding structure is a copper-plastic composite tape shielding structure, a branch shielding formed by combining a current leading wire and a copper-plastic composite tape shielding wrapping total shielding structure are arranged in the cable, so that a power frequency signal can be transmitted in the operation of the cable, and each phase is free from inter-group and external electromagnetic interference.

Further, the optical unit is a spiral stainless steel armored optical fiber.

Further, the weaving layer is aramid weaving layer.

Furthermore, the outer jacket is a polyurethane protective layer, and the polyurethane protective layer is a high-strength polyurethane protective layer produced by extrusion, so that the structure is compact, and the wear resistance is high.

The utility model provides a structure is inseparable between each level of towline for the cable has certain water-tightness.

It should be pointed out that this cable has the stranded high strength aramid fiber and dredges around, the high strength aramid fiber is woven, aramid fiber is woven and is strengthened, can bear very big mechanical stress, the drainage silk has in the cable, copper is moulded compound area branch shielding and copper and is moulded compound area shielding structure, can transmit high frequency signal in having guaranteed the cable operation, do not receive the intergroup and outside electromagnetic interference in addition, the cable is inside to have two spiral armor optical unit, can transmit optical signal, the cable is inside between the lamination stage, the structure is compact, the cable adopts high strength polyurethane sheath, make the cable have the water proofness of certain degree.

The utility model relates to a supply with the photoelectric composite towline that large-scale exploration equipment used.

Drawings

Fig. 1 is a schematic view of a photoelectric composite streamer structure.

Detailed Description

The present invention will now be described in more detail with reference to the drawings, in which preferred embodiments of the invention are shown, it being understood that one skilled in the art could modify the invention herein described while still achieving the beneficial effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.

As shown in fig. 1, the utility model discloses a photoelectric composite towline, it includes the towline body, and the towline body includes: the cable core is arranged in the center of the towing cable body and comprises an optical unit 1, conductors 2, fluoroplastic insulation 3, a plurality of drainage wires 4, a copper-plastic composite belt 5, a copper-plastic composite belt shield 6, an aramid braid 7 and a polyurethane protective layer 8, wherein the conductors 2 comprise a plurality of conductors such as four conductors shown in figure 1, the fluoroplastic insulation layer 3 and a branch shield structure are arranged outside the conductors 2, the branch shield structure is the copper-plastic composite belt 5 wrapped on the fluoroplastic insulation layer 3, the cable core is provided with the drainage wires 4 ensuring the communication of the copper-plastic composite belt 5, the drainage wires 4 are provided with a plurality of conductors, the drainage wires can be arranged between every two conductors, a main shield structure 6 is wrapped outside the cable core, the main shield structure 6 is shielded by the copper-plastic composite belt, the aramid braid 7 is arranged outside the main shield structure, and the polyurethane protective layer 8 is arranged outside the aramid braid 7; the aramid fiber sparse winding layer 9 is arranged outside the cable core total shielding structure; the tight wrapping layer 10 disposed outside the aramid fiber loose wrapping layer 9 includes but is not limited to a thin nonwoven fabric, the woven layer 11 disposed outside the tight wrapping layer 10 includes but is not limited to an aramid fiber woven layer, and the outer protective layer 12 disposed outside the woven layer includes but is not limited to a polyurethane protective layer.

The four conductors 2 in fig. 1 may be selected, for example, in a circular array configuration, where the lowermost conductor in fig. 1 is defined as the first conductor, the conductors arranged counterclockwise along the first conductor are the second conductor, the third conductor, the fourth conductor, and in fig. 1, three drainage wires are included, the drainage wire arranged at the center of the four conductors is defined as a central drainage wire, the midpoint of the central drainage wire is the central point of the annular array of the four conductors, the central drainage wire is in contact with the copper-plastic composite belt 5 of the four conductors, the drainage wire arranged between the first conductor and the fourth conductor (the position of the drainage wire is tangent to the first conductor and the second conductor) and the drainage wire arranged between the second conductor and the third conductor (the position of the drainage wire is tangent to the second conductor and the third conductor) are defined as outer drainage wires, and the two outer drainage wires can be inwards constrained by a wrapped total shielding structure layer.

It should be noted that the optical unit 1 is a spiral stainless steel armored optical fiber, and the optical unit 1 has sufficient optical fiber margin, so that it can be ensured that the optical signal transmission performance does not change greatly in the cable winding and unwinding bending process. In fig. 1, two optical units are respectively disposed between the third conductor and the fourth conductor, and between the first conductor and the second conductor, the optical units tangent to the third conductor and the fourth conductor are located at the upper left of the drawing, and the optical units tangent to the first conductor and the second conductor are located at the lower right of the drawing, and both of the optical units and the optical units can be inwardly constrained by a wrapped total shielding structure layer.

The utility model discloses in, the cable core outside adopts four-layer structure to dredge for many aramid fibers around, the fastening of slim non-woven fabrics around the package to adopt aramid fibers to weave once more around the layer outside and strengthen, this kind of compound high strength aramid fiber layer, make the cable strengthen greatly to mechanical stress's bearing capacity.

The utility model discloses a cable core is made by the extrusion of high strength polyurethane material, arranges the cable center in, and the outside has four layers of aramid fibers in proper order to dredge around layer, tight covering, weaving layer, outer jacket. The cable phase unit is wrapped and shielded by a copper-plastic composite tape, the cable core is formed by an optical unit, a power line and a drainage wire, the whole cable is wrapped and shielded by a copper-plastic film after the cable is formed, the outer side of the total shielding is reinforced by aramid fiber weaving, and high-strength polyurethane is extruded for protection.

To sum up, this cable is owing to have the high strength aramid fiber of stranded and dredges around, the reinforcement is woven to the high strength aramid fiber, can bear very big mechanical stress, it has the drainage silk to have in the cable, copper is moulded compound area branch shielding and copper and is moulded compound area shielding structure, it can transmit power frequency signal to have guaranteed that the cable moves, do not receive intergroup and outside electromagnetic interference in addition, the cable is inside to have two spiral armor optical unit, can transmit optical signal, the cable is inside the lamination stage, the structure is compact, the cable adopts the high strength polyurethane sheath, make the cable have the water proofness of certain degree.

The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.

Claims

1. An electro-optic composite streamer comprising a streamer body, the streamer body comprising:

set up in cable core of towline body central authorities, it includes: the optical fiber cable comprises an optical unit and a conductor, wherein a fluoroplastic insulating layer and a sub-shielding structure are arranged outside the conductor, the sub-shielding structure is a copper-plastic composite belt wrapped on the fluoroplastic insulating layer, the cable core is provided with a drainage wire for ensuring the communication of the copper-plastic composite belt, a main shielding structure is wrapped outside the cable core, an aramid woven layer is arranged outside the main shielding structure, and a polyurethane protective layer is arranged outside the aramid woven layer;

the aramid fiber sparse winding layer is arranged outside the cable core total shielding structure;

the tightly-covered layer is arranged outside the aramid fiber sparse-wound layer;

a braid layer disposed outside the tight-wrapping layer;

and the outer protective layer is arranged outside the woven layer.

2. The electro-optic composite streamer of claim 1, wherein the tight-clad layer is a thin non-woven fabric.

3. The electro-optic composite streamer of claim 1, wherein the total shielding structure is a copper-plastic composite tape shield.

4. The electro-optic composite streamer of claim 1, wherein the optical units are helical stainless steel armored optical fibers.

5. The electro-optic composite streamer of claim 1, wherein the braid is an aramid braid.

6. The electro-optic composite streamer of claim 1, wherein the outer jacket is a polyurethane jacket.